Abstract: The present application discloses a watch case assembly displaying two time zones as well as a watch. The watch case assembly comprises a watch case, a dial and a bezel. The dial is disposed inside the dial cavity of the watch case and intended to display the time of the first time zone. The bezel is disposed on the watch case and around the dial and intended to display the time of the second time zone. The bezel cavity of the watch case has at least one fixing part, the bezel has at least two installation parts fixed to the fixing parts in a detachable manner, the assembly structure of the fixing parts and the installation parts is detachable, at least two installation parts on the bezel may be fixed to the fixing parts respectively.